Bluetooth earphone based on aptX-LL coding and decoding and transmission method thereof
A technology of bluetooth earphones and transmission methods, applied in stereo communication earphones, speech analysis, stereo circuit arrangement, etc., capable of solving problems such as audio quality degradation, audio transmission distortion, and delay
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Embodiment 1
[0026] Such as figure 1 As shown, this embodiment proposes a bluetooth headset based on aptX-LL codec, the bluetooth headset includes a bluetooth chip and a speaker connected to the bluetooth chip, an antenna and a power module, the bluetooth chip is used to obtain the The audio signal is encoded and decoded, and the Bluetooth protocol is used for data transmission through the antenna. The speaker is used to play the decoded audio, and the power module is used to supply power to the Bluetooth headset.
[0027] In this embodiment, the bluetooth earphone also includes an LED light connected to the bluetooth chip, and the LED light is used to indicate the working status of the bluetooth earphone, including red and blue two-color LED lights. The bluetooth earphone also includes the button that is connected with bluetooth chip, and the button is used for obtaining button operation instruction, and there are three buttons in the present embodiment. The bluetooth earphone also inclu...
Embodiment 2
[0032] Corresponding to the above-mentioned embodiment 1, this embodiment proposes a transmission method of a bluetooth headset based on the aptX-LL codec, the method comprising:
[0033] The terminal device establishes a connection with the Bluetooth headset through the USB Bluetooth adapter, and sends the terminal audio data to the Bluetooth headset using the Bluetooth protocol in the aptX-LL encoding format through the USB Bluetooth adapter;
[0034] The Bluetooth headset aptX-LL decodes the received encoded audio data into a digital audio signal, and converts the digital audio signal into an analog audio signal for playback through the speaker.
[0035] Further, the method also includes:
[0036] After the Bluetooth headset performs aptX-LL encoding on the external voice signal collected by the microphone, it uses the Bluetooth protocol to send it to the USB Bluetooth adapter, and then transmits it to the terminal device through the USB Bluetooth adapter.
[0037] Further...
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